#include <stdio.h>
#include <math.h>
int main()
{
    int i, j, n = 13;
    printf("N=");
    while (n > 12)
    
        scanf("%d", &n);
    
    for (i = 0; i <= n; i++)
    {
        for (j = 0; j < 12 - i; j++)
        
            printf(" ");
        
        for (j = 1; j < i + 2; j++)
        
            printf("%6d", c(i, j));
        
        printf("\n");
    }
}

    int c(x, y)
    int x, y;
    {
        int z;
        if ((y == 1) || (y == x + 1))
            return (1);
        z = c(x - 1, y - 1) + c(x - 1, y);
        return (z);
    
    }  



   